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Finding the Fourth Proportional to 208,763.98, 288,092.62 and 118,119.17

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Solution

The fourth proportional to 208,763.98, 288,092.62 and 118,119.17 is: 163,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,763.98 : 288,092.62 = 118,119.17 : x
  2. Step 2: Convert to fraction form
    208,763.98/288,092.62 = 118,119.17/x
  3. Step 3: Cross multiply
    208,763.98x = 288,092.62 × 118,119.17
  4. Step 4: Simplify right side
    208,763.98x = 34,029,261,157.53
  5. Step 5: Solve for x
    x = 34,029,261,157.53/208,763.98
  6. Step 6: Final answer
    x = 163,003.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.